---
title: Key-value stores
---

[Key-value stores](/oss/concepts/key_value_stores) are used by other LangChain components to store and retrieve data.

## All key-value stores

<Columns cols={3}>
  <Card
    title="Cassandra KV"
    icon="link"
    href="/oss/integrations/stores/cassandra_storage"
    arrow="true"
    cta="View guide"
  >
  </Card>
  <Card
    title="File System Store"
    icon="link"
    href="/oss/integrations/stores/file_system"
    arrow="true"
    cta="View guide"
  >
  </Card>
  <Card
    title="InMemory Store"
    icon="link"
    href="/oss/integrations/stores/in_memory"
    arrow="true"
    cta="View guide"
  >
  </Card>
  <Card
    title="IORedis"
    icon="link"
    href="/oss/integrations/stores/ioredis_storage"
    arrow="true"
    cta="View guide"
  >
  </Card>
  <Card
    title="Upstash Redis"
    icon="link"
    href="/oss/integrations/stores/upstash_redis_storage"
    arrow="true"
    cta="View guide"
  >
  </Card>
  <Card
    title="Vercel KV"
    icon="link"
    href="/oss/integrations/stores/vercel_kv_storage"
    arrow="true"
    cta="View guide"
  >
  </Card>
</Columns>
